Chair



FIG. 1 is a left side view of a chair showing my new design, the right side view being a mirror image thereof;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view; and

FIG. 5 is a bottom view. 

The ornamental design for a chair, as shown and described. 